How Many Acre in a Square Millimeter?

There are 2.47104393E-10 acre in a square millimeter.1 Square Millimeter is equal to 2.47104393E-10 Acre.1 mm² = 2.47104393E-10 ac²

Square Millimeter Definition

A square millimeter is a unit of area used for measuring very small areas. The unit is used as a part of SI measurement system and has a symbol of mm2. One square millimeter is the area that equals to 1/100th of a square centimeter (or 0.01 cm2) or equals to 1/1000000th of a square meter (1.0 x 10-6 m2).

Acre Definition

Used widely in the US customary system and the Imperial system, an acre is a unit of area equal to 1/640 of a square mile, or 0.4047 of a hectare, or 43,560 square feet. To imagine what an acre is, one can imagine the area which is equal to approximately 3/4 of the common football field. This unit of area has the international symbol of ac.

About mm² to ac² Converter

This is a very easy to use square millimeter to acre converter.
First of all just type the square millimeter (mm²) value in the text field of the conversion form to start converting mm² to ac²,
then select the decimals value and finally hit convert button if auto calculation didn't work. Acre value will be converted automatically as you type.

The decimals value is the number of digits to be calculated or rounded of the result of square millimeter to acre conversion.